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Finding the Fourth Proportional to 540,167.56, 745,426.86 and 298,449.40

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Solution

The fourth proportional to 540,167.56, 745,426.86 and 298,449.40 is: 411,857.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,167.56 : 745,426.86 = 298,449.40 : x
  2. Step 2: Convert to fraction form
    540,167.56/745,426.86 = 298,449.40/x
  3. Step 3: Cross multiply
    540,167.56x = 745,426.86 × 298,449.40
  4. Step 4: Simplify right side
    540,167.56x = 222,472,199,110.88
  5. Step 5: Solve for x
    x = 222,472,199,110.88/540,167.56
  6. Step 6: Final answer
    x = 411,857.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.